Shoe upper



FIG. 1 is a side elevation of the shoe upper showing the new design;

FIG. 2 is a second side elevation of the shoe upper of the new design;

FIG. 3 is a front side elevation of the shoe upper of the new design;

FIG. 4 is a rear side elevation of the shoe upper of the new design;

FIG. 5 is a top plan view of the shoe upper of the new design; and,

FIG. 6 is a bottom plan view of the shoe upper of the new design.

It will be understood that the broken lines presented in the drawings are for illustration purposes only and do not form a part of the claimed design. 

The ornamental design for a shoe upper, as shown and described. 